PDF-Extrasolar Planets

Paul Butler Carnegie Institution of Washington Department of Terrestrial Magnetism The discovery of extrasolar planets in the past decade was one of the most remarkable achievements of the century an. For example the Doppler technique gives us information about the stars velocity toward or away from us and from this we can find its mass It is possible to calculate the planets velocity using its orbital period and distance from its star Using the This is a natural starting spot But what if planets are exceedingly rare This would put a dam per on the prospects for abundant life in the universe We therefore need information about how common planets are and the properties of their orbits and of !~2/3 - Temperature and "T Extra-solar planetary systems. Lecture . 16. Other theory. Tidal Hypothesis. Early attempt to explain the dichotomy of planets.. Problem?. tidal force strong enough to “draw out” a filament from stars will effectively disperse it before it could condense into planets!. To Be A Planet, Or Not To Be?. Physical Characteristics . 5 - Recognized Dwarf Planets. Ceres, Pluto, . Haumea. , . Makemake. , Eris. Classification Criteria. Directly orbits the Sun (not a satellite). Dr.. Jade Carter-Bond. (Lillian’s Daughter). U3A. 6 June, 2012. Extrasolar Planets:. What they are, what we know about them, why we should care, where ET lives (just kidding!) what I’ve been doing for the last 12 years and why your tax dollars should continue to help. Grades are posted on course website. Average = . 127/180, . s.d. . = . 26 (Section 1). 132/180, . s.d. . = 24 (Section 4). Highest . 180/. 180. Scores below 100 => “serious concerns”. Sotirios Karathanasis, Karalyn Berman, Leah Cassens. Overview. What is a habitable planet?. How do they form?. How do we find them?. Possible habitable planets. Future goals. What makes up a habitable planet?. http://www.cs.wright.edu/~tkprasad. Prasad. 1. U3_SolarSystem. SOLAR SYSTEM. The Sun. Prasad. U3_SolarSystem. 3+ Dwarf Planets . Over 150 . moons . /. satellites of the . planets. Comets, meteors, asteroids,. ASTR 101. Prof. Dave Hanes. The . Moon. ’. s . Baleful Influence . (?. ). Crime . rates, . homicides, . birth rates, acts of. ‘. lunacy,. ’. t. raffic a. ccidents. , etc…. http. ://skepdic.com/fullmoon.html. Exam on Monday. I’ll have a Mock exam to work on Friday. Solar Eclipse. Freds_excellent_eclipse.mpg. Solar Eclipses . Umbra. – region of total shadow. Penumbra. – region of partial shadow. Totality lasts only a few minutes!. E.ST.05.21. Describe the motion of planets and moons in terms of. rotation on axis and . orbits.. Advanced Note-Taking Practice 101! . Every time you see something typed in . YELLOW. …you need to write it down. . The milky way. (seen from Bryce Canyon, UT). The Solar System. ?. “A . system. is a set of . interacting. or interdependent. components . forming an integrated whole” (Wikipedia). The Solar System. This book offers an advanced introduction to the increasingly robust fields of extrasolar planets and astrobiology. No other text currently available applies this level of mathematics and physics, while also providing an extensive grounding in key issues of chemistry, biology, and geophysics. With extensive references to the literature and chapter-ending exercises, this????????????????book????????????????can be used as the core text for teaching undergraduate or introductory graduate level courses. The text????????????????will also????????????????provide astrobiologists with an indispensable????????????????User\'s Manual????????????????when quick reference to????????????????key mathematical and physical techniques is needed.????????????????????????????????A continually updated online component, fully cross referenced with the????????????????text, is also????????????????available. Foreword by Geoff Marcy.